feat: Add Django 5.2 support and update tooling

Add Django 5.2, update black/isort, fix Python 3.7 compatibility

Author: mahdirahimi1999

embed_video/__init__.py

@@ -1,3 +1,7 @@
-from importlib.metadata import version
+try:
+    from importlib.metadata import version
+except ImportError:
+    # Python < 3.8
+    from importlib_metadata import version
 
 __version__ = version("django-embed-video")

embed_video/tests/templatetags/tests_embed_video_tags.py

@@ -134,12 +134,10 @@ def test_user_size(self):
         )
 
     def test_wrong_size(self):
-        template = Template(
-            """
+        template = Template("""
             {% load embed_video_tags %}
             {% video 'http://www.youtube.com/watch?v=jsrRJyHBvzw' 'so x huge' %}
-        """
-        )
+        """)
         request = RequestContext(HttpRequest())
         self.assertRaises(TemplateSyntaxError, template.render, request)